data regarding heights of students of class 10thof model school,dehradunis given bellow: height 150-156 156-162 162-168 168-174 174-180 no.students 4 7 15 8 6 find mean height. Share with your friends Share 7 Priyanka Kedia answered this HeightMid-values xiFrequency fidi=xi-165 ui=di6fiui150-1561534-12-2-8156-1621597-6-1-7162-16816515000168-1741718618174-180177612212Now,A=165, h=6, N=∑fi=40 and ∑fiui=5Mean=A+h1N∑fiui=165+6140×5=165+0.75=165.75Hence mean height s 165.75 0 View Full Answer